[MtoA] The case of the scene that crashed Maya


In this case, Maya crashed as soon as you loaded a certain scene.

What was the problem? Yeti couldn’t get a license, and then when MtoA loaded the Yeti procedural, that was it: crash.

We found the problem by checking the Maya log that we got with the -log command-line flag:

maya.exe -log %TEMP%\maya.log

The solution was to set RLM_LICENSE so Yeti could get its license (or unset MTOA_EXTENSIONS_PATH so that the Yeti extension wasn’t loaded, or move the Yeti module file so Maya wouldn’t find it).

This is what we saw in the log:

[Wed Nov 05 18:08:13 2014] Yeti 1.3.14: Yeti v1.3.14, built on Oct 10 2014 at 20:52:13
[Wed Nov 05 18:08:13 2014] Yeti 1.3.14: (c) 2010-Present Peregrine Labs a division of Peregrine Visual Storytelling Ltd. All rights reserved.
[Wed Nov 05 18:08:13 2014] Yeti 1.3.14: ERROR pgLicenseCheck - License system could not get a valid server handle, error: Can't read license data (-102)
No such process (errno: 3)
00:00:00 WARNING | [mtoa] Extension pgYetiArnoldMtoa(C:/solidangle/yeti/Yeti-v1.3.14_Maya2014-windows64/plug-ins/pgYetiArnoldMtoa.dll) requires Maya plugin pgYetiMaya, registering will be deferred until plugin is loaded.
the data object was unable to read its value : (0) no error
the data object was unable to read its value : (0) no error

****
* Arnold 4.2.2.0 windows icc-14.0.2 oiio-1.4.14 rlm-11.1.2 2014/11/03 15:27:54
* CRASHED in QResource::locale 
* signal caught: error C0000005 -- access violation
*
* backtrace:
*  0 0x000000002c8b7a20 [ai            ] AiArray                                           
*  1 0x000000002c8b9f80 [ai            ] AiArray                                           
*  2 0x000000007722b940 [kernel32      ] UnhandledExceptionFilter                          
*  3 0x0000000077343398 [ntdll         ] MD5Final                                          
*  4 0x00000000772c85c8 [ntdll         ] _C_specific_handler                               
*  5 0x00000000772d9d2d [ntdll         ] RtlDecodePointer                                  
*  6 0x00000000772c91cf [ntdll         ] RtlUnwindEx                                       
*  7 0x0000000077301248 [ntdll         ] KiUserExceptionDispatcher                         
>> 8 0x0000000067840147 [QtCore4       ] QResource::locale    
...
...and so on and so on...

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